olsrd/files/olsrd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2017 OpenWrt.org
   3
   4 START=65
   5
   6 SERVICE_DAEMONIZE=1
   7 SERVICE_WRITE_PID=1
   8
   9 OLSRD_OLSRD_SCHEMA='ignore:internal config_file:internal DebugLevel=0 AllowNoInt=yes'
  10 OLSRD_IPCCONNECT_SCHEMA='ignore:internal Host:list Net:list2'
  11 OLSRD_LOADPLUGIN_SCHEMA='ignore:internal library:internal Host4:list Net4:list2 Host:list Net:list2 Host6:list Net6:list2 Ping:list redistribute:list NonOlsrIf:list name:list lat lon latlon_infile HNA:list2 hosts:list2 ipv6only:bool'
  12 OLSRD_INTERFACE_SCHEMA='ignore:internal interface:internal AutoDetectChanges:bool LinkQualityMult:list2'
  13 OLSRD_INTERFACE_DEFAULTS_SCHEMA='AutoDetectChanges:bool'
  14
  15 T='     '
  16 N='
  17 '
  18
  19 log() {
  20         logger -t olsrd -p daemon.info -s "${initscript}: $*"
  21 }
  22
  23 error() {
  24         logger -t olsrd -p daemon.err -s "${initscript}: ERROR: $*"
  25 }
  26
  27 warn() {
  28         logger -t olsrd -p daemon.warn -s "${initscript}: WARNING: $*"
  29 }
  30
  31 validate_varname() {
  32         local varname="$1"
  33         [ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
  34         return 0
  35 }
  36
  37 validate_olsrd_option() {
  38         local str="$1"
  39         [ -z "$str" -o "$str" != "${str%%[!     0-9A-Za-z.%/|:_-]*}" ] && return 1
  40         return 0
  41 }
  42
  43 system_config() {
  44         local cfg="$1"
  45         local cfgt hostname latlon oldIFS
  46
  47         config_get cfgt "$cfg" TYPE
  48
  49         if [ "$cfgt" = "system" ]; then
  50                 config_get hostname "$cfg" hostname
  51                 hostname="${hostname:-OpenWrt}"
  52                 SYSTEM_HOSTNAME="$hostname"
  53         fi
  54
  55         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  56                 config_get latlon "$cfg" latlon
  57                 oldIFS="$IFS"; IFS=" ${T}${N},"; set -- $latlon; IFS="$oldIFS"
  58                 SYSTEM_LAT="$1"
  59                 SYSTEM_LON="$2"
  60         fi
  61
  62         if [ -z "$SYSTEM_LAT" -o -z "$SYSTEM_LON" ]; then
  63                 config_get latlon "$cfg" latitude
  64                 SYSTEM_LAT="$latlon"
  65                 config_get latlon "$cfg" longitude
  66                 SYSTEM_LON="$latlon"
  67         fi
  68 }
  69
  70 olsrd_find_config_file() {
  71         local cfg="$1"
  72         validate_varname "$cfg" || return 0
  73
  74         config_get_bool ignore "$cfg" ignore 0
  75         [ "$ignore" -ne 0 ] && return 0
  76         config_get OLSRD_CONFIG_FILE "$cfg" config_file
  77
  78         return 0
  79 }
  80
  81 warning_invalid_value() {
  82         local funcname="warning_invalid_value"
  83         local package="$1"
  84         validate_varname "$package" || package=
  85         local config="$2"
  86         validate_varname "$config" || config=
  87         local option="$3"
  88         validate_varname "$option" || option=
  89
  90         if [ -n "$package" -a -n "$config" ]; then
  91                 log "$funcname() in option '$package.$config${option:+.}$option', skipped"
  92         else
  93                 log "$funcname() skipped"
  94         fi
  95
  96         return 0
  97 }
  98
  99 olsrd_write_option() {
 100         local param="$1"
 101         local cfg="$2"
 102         validate_varname "$cfg" || return 1
 103         local option="$3"
 104         validate_varname "$option" || return 1
 105         local value="$4"
 106         local option_type="$5"
 107
 108         if [ "$option_type" = bool ]; then
 109                 case "$value" in
 110                         1|on|true|enabled|yes) value=yes;;
 111                         0|off|false|disabled|no) value=no;;
 112                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 113                 esac
 114         fi
 115
 116         if ! validate_olsrd_option "$value"; then
 117                 warning_invalid_value olsrd "$cfg" "$option"
 118                 return 1
 119         fi
 120
 121         if [ "$value" != "${value%%[G-Zg-z_-]*}" ]; then
 122                 if [ "$option" != "Ip6AddrType" -a "$option" != "LinkQualityMult" -a "$value" != "yes" -a "$value" != "no" ]; then
 123                         value="\"$value\""
 124                 fi
 125         fi
 126
 127         printf '%s' "${N}$param$option $value"
 128 }
 129
 130 olsrd_write_plparam() {
 131         local funcname="olsrd_write_plparam"
 132         local param="$1"
 133         local cfg="$2"
 134         local option="$3"
 135         local value="$4"
 136         local option_type="$5"
 137         local _option oldIFS
 138
 139         validate_varname "$cfg" || return 1
 140         validate_varname "$option" || return 1
 141
 142         if [ "$option_type" = bool ]; then
 143                 case "$value" in
 144                         1|on|true|enabled|yes) value=yes;;
 145                         0|off|false|disabled|no) value=no;;
 146                         *) warning_invalid_value olsrd "$cfg" "$option"; return 1;;
 147                 esac
 148         fi
 149
 150         if ! validate_olsrd_option "$value"; then
 151                 warning_invalid_value olsrd "$cfg" "$option"
 152                 return 1
 153         fi
 154
 155         oldIFS="$IFS"
 156         IFS='-_'
 157         set -- $option
 158         option="$*"
 159         IFS="$oldIFS"
 160         _option="$option"
 161
 162         if [ "$option" = 'hosts' ]; then
 163                 set -- $value
 164                 option="$1"
 165                 shift
 166                 value="$*"
 167         fi
 168
 169         if [ "$option" = 'NonOlsrIf' ]; then
 170                 if validate_varname "$value"; then
 171                         if network_get_device ifname "$value"; then
 172                                 log "$funcname() Info: mdns Interface '$value' ifname '$ifname' found"
 173                         else
 174                                 log "$funcname() Warning: mdns Interface '$value' not found, skipped"
 175                         fi
 176                 else
 177                         warning_invalid_value olsrd "$cfg" "NonOlsrIf"
 178                 fi
 179
 180                 [ -z "$ifname" ] || value=$ifname
 181         fi
 182
 183         printf '%s' "${N}${param}PlParam \"$option\" \"$value\""
 184 }
 185
 186 config_update_schema() {
 187         local schema_varname="$1"
 188         local command="$2"
 189         local option="$3"
 190         local value="$4"
 191         local schema
 192         local cur_option
 193
 194         validate_varname "$schema_varname" || return 1
 195         validate_varname "$command" || return 1
 196         validate_varname "$option" || return 1
 197
 198         case "$varname" in
 199                 *_LENGTH) return 0;;
 200                 *_ITEM*) return 0;;
 201         esac
 202
 203         eval "export -n -- \"schema=\${$schema_varname}\""
 204
 205         for cur_option in $schema; do
 206                 [ "${cur_option%%[:=]*}" = "$option" ] && return 0
 207         done
 208
 209         if [ "$command" = list ]; then
 210                 set -- $value
 211                 if [ "$#" -ge "3" ]; then
 212                         schema_entry="$option:list3"
 213                 elif [ "$#" -ge "2" ]; then
 214                         schema_entry="$option:list2"
 215                 else
 216                         schema_entry="$option:list"
 217                 fi
 218         else
 219                 schema_entry="$option"
 220         fi
 221
 222         append "$schema_varname" "$schema_entry"
 223
 224         return 0
 225 }
 226
 227 config_write_options() {
 228         local funcname="config_write_options"
 229         local schema="$1"
 230         local cfg="$2"
 231         validate_varname "$cfg" || return 1
 232         local write_func="$3"
 233         [ -z "$write_func" ] && output_func=echo
 234         local write_param="$4"
 235
 236         local schema_entry option option_length option_type default value list_size list_item list_value i position speed oldIFS
 237         local list_speed_vars="HelloInterval HelloValidityTime TcInterval TcValidityTime MidInterval MidValidityTime HnaInterval HnaValidityTime"
 238
 239         get_value_for_entry()
 240         {
 241                 local schema_entry="$1"
 242
 243                 default="${schema_entry#*[=]}"
 244                 [ "$default" = "$schema_entry" ] && default=
 245                 option="${schema_entry%%[=]*}"
 246
 247                 oldIFS="$IFS"; IFS=':'; set -- $option; IFS="$oldIFS"
 248                 option="$1"
 249                 option_type="$2"
 250
 251                 validate_varname "$option" || return 1
 252                 [ -z "$option_type" ] || validate_varname "$option_type" || return 1
 253                 [ "$option_type" = internal ] && return 1
 254
 255                 config_get value "$cfg" "$option"
 256                 [ "$option" = "speed" ] && return 1
 257
 258                 return 0
 259         }
 260
 261         already_in_schema()
 262         {
 263                 case " $schema " in
 264                         *" $1 "*)
 265                                 return 0
 266                         ;;
 267                         *)
 268                                 return 1
 269                         ;;
 270                 esac
 271         }
 272
 273         already_in_schema "speed" && {
 274                 get_value_for_entry "speed"
 275
 276                 if test 2>/dev/null "$value" -gt 0 -a "$value" -le 20 ; then
 277                         speed="$value"
 278                 else
 279                         log "$funcname() Warning: invalid speed-value: '$value' - allowed integers: 1...20, fallback to 6"
 280                         speed=6
 281                 fi
 282
 283                 for schema_entry in $list_speed_vars; do {
 284                         already_in_schema "$schema_entry" || schema="$schema $schema_entry"
 285                 } done
 286         }
 287
 288         for schema_entry in $schema; do
 289                 if [ -n "$speed" ]; then                # like sven-ola freifunk firmware fff-1.7.4
 290                         case "$schema_entry" in
 291                                 HelloInterval)
 292                                         value="$(( speed / 2 + 1 )).0"
 293                                 ;;
 294                                 HelloValidityTime)
 295                                         value="$(( speed * 25 )).0"
 296                                 ;;
 297                                 TcInterval)     # todo: not fisheye? -> $(( speed * 2 ))
 298                                         value=$(( speed / 2 ))
 299                                         [ $value -eq 0 ] && value=1
 300                                         value="$value.0"
 301                                 ;;
 302                                 TcValidityTime)
 303                                         value="$(( speed * 100 )).0"
 304                                 ;;
 305                                 MidInterval)
 306                                         value="$(( speed * 5 )).0"
 307                                 ;;
 308                                 MidValidityTime)
 309                                         value="$(( speed * 100 )).0"
 310                                 ;;
 311                                 HnaInterval)
 312                                         value="$(( speed * 2 )).0"
 313                                 ;;
 314                                 HnaValidityTime)
 315                                         value="$(( speed * 25 )).0"
 316                                 ;;
 317                                 *)
 318                                         get_value_for_entry "$schema_entry" || continue
 319                                 ;;
 320                         esac
 321
 322                         is_speed_var()
 323                         {
 324                                 case " $list_speed_vars " in
 325                                         *" $1 "*)
 326                                                 return 0
 327                                         ;;
 328                                         *)
 329                                                 return 1
 330                                         ;;
 331                                 esac
 332                         }
 333
 334                         is_speed_var "$schema_entry" && option="$schema_entry"
 335                 else
 336                         get_value_for_entry "$schema_entry" || continue
 337                 fi
 338
 339                 if [ -z "$value" ]; then
 340                         oldIFS="$IFS"; IFS='+'; set -- $default; IFS="$oldIFS"
 341                         value=$*
 342                 elif [ "$value" = '-' -a -n "$default" ]; then
 343                         continue
 344                 fi
 345
 346                 [ -z "$value" ] && continue
 347
 348                 case "$option_type" in
 349                         list) list_size=1;;
 350                         list2) list_size=2;;
 351                         list3) list_size=3;;
 352                         *) list_size=0;;
 353                 esac
 354
 355                 if [ "$list_size" -gt 0 ]; then
 356                         config_get option_length "$cfg" "${option}_LENGTH"
 357                         if [ -n "$option_length" ]; then
 358                                 i=1
 359                                 while [ "$i" -le "$option_length" ]; do
 360                                         config_get list_value "$cfg" "${option}_ITEM$i"
 361                                         "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 362                                         i=$((i + 1))
 363                                 done
 364                         else
 365                                 list_value=
 366                                 i=0
 367                                 for list_item in $value; do
 368                                         append "list_value" "$list_item"
 369                                         i=$((i + 1))
 370                                         position=$((i % list_size))
 371                                         if [ "$position" -eq 0 ]; then
 372                                                 "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type" || break
 373                                                 list_value=
 374                                         fi
 375                                 done
 376                                 [ "$position" -ne 0 ] && "$write_func" "$write_param" "$cfg" "$option" "$list_value" "$option_type"
 377                         fi
 378                 else
 379                         "$write_func" "$write_param" "$cfg" "$option" "$value" "$option_type"
 380                 fi
 381         done
 382
 383         return 0
 384 }
 385
 386 olsrd_write_olsrd() {
 387         local cfg="$1"
 388         validate_varname "$cfg" || return 0
 389         local ignore
 390
 391         config_get_bool ignore "$cfg" ignore 0
 392         [ "$ignore" -ne 0 ] && return 0
 393
 394         [ "$OLSRD_COUNT" -gt 0 ] && return 0
 395
 396         config_get smartgateway "$cfg" SmartGateway
 397         config_get smartgatewayuplink "$cfg" SmartGatewayUplink
 398         export smartgateway
 399         export smartgatewayuplink
 400
 401         config_write_options "$OLSRD_OLSRD_SCHEMA" "$cfg" olsrd_write_option
 402         echo
 403         OLSRD_COUNT=$((OLSRD_COUNT + 1))
 404         return 0
 405 }
 406
 407 olsrd_write_ipcconnect() {
 408         local cfg="$1"
 409         validate_varname "$cfg" || return 0
 410         local ignore
 411
 412         config_get_bool ignore "$cfg" ignore 0
 413         [ "$ignore" -ne 0 ] && return 0
 414
 415         [ "$IPCCONNECT_COUNT" -gt 0 ] && return 0
 416
 417         printf '%s' "${N}IpcConnect${N}{"
 418         config_write_options "$OLSRD_IPCCONNECT_SCHEMA" "$cfg" olsrd_write_option "${T}"
 419         echo "${N}}"
 420         IPCCONNECT_COUNT=$((IPCCONNECT_COUNT + 1))
 421 }
 422
 423 olsrd_write_hna4() {
 424         local cfg="$1"
 425         validate_varname "$cfg" || return 0
 426         local ignore
 427
 428         config_get_bool ignore "$cfg" ignore 0
 429         [ "$ignore" -ne 0 ] && return 0
 430
 431         config_get netaddr "$cfg" netaddr
 432         if ! validate_olsrd_option "$netaddr"; then
 433                 warning_invalid_value olsrd "$cfg" "netaddr"
 434                 return 0
 435         fi
 436
 437         config_get netmask "$cfg" netmask
 438         if ! validate_olsrd_option "$netmask"; then
 439                 warning_invalid_value olsrd "$cfg" "netmask"
 440                 return 0
 441         fi
 442
 443         [ "$HNA4_COUNT" -le 0 ] && printf '%s' "${N}Hna4${N}{"
 444         printf '%s' "${N}${T}${T}$netaddr $netmask"
 445         HNA4_COUNT=$((HNA4_COUNT + 1))
 446 }
 447
 448 olsrd_write_hna6() {
 449         local cfg="$1"
 450         validate_varname "$cfg" || return 0
 451         local ignore
 452
 453         config_get_bool ignore "$cfg" ignore 0
 454         [ "$ignore" -ne 0 ] && return 0
 455
 456         config_get netaddr "$cfg" netaddr
 457         if ! validate_olsrd_option "$netaddr"; then
 458                 warning_invalid_value olsrd "$cfg" "netaddr"
 459                 return 0
 460         fi
 461
 462         config_get prefix "$cfg" prefix
 463         if ! validate_olsrd_option "$prefix"; then
 464                 warning_invalid_value olsrd "$cfg" "prefix"
 465                 return 0
 466         fi
 467
 468         [ "$HNA6_COUNT" -le 0 ] && printf '%s' "${N}Hna6${N}{"
 469         printf '%s' "${N}${T}${T}$netaddr $prefix"
 470         HNA6_COUNT=$((HNA6_COUNT + 1))
 471 }
 472
 473 find_most_recent_plugin_libary()
 474 {
 475         local library="$1"
 476         local file unixtime
 477
 478         for file in "/lib/$library"* "/usr/lib/$library"* "/usr/local/lib/$library"*; do {
 479                 [ -f "$file" ] && {
 480                         unixtime="$( date +%s -r "$file" )"
 481                         echo "$unixtime $file"
 482                 }
 483         } done | sort -n | tail -n1 | cut -d' ' -f2
 484 }
 485
 486 olsrd_write_loadplugin()
 487 {
 488         local funcname='olsrd_write_loadplugin'
 489         local cfg="$1"
 490         local ignore name suffix lat lon latlon_infile
 491
 492         validate_varname "$cfg" || return 0
 493
 494         config_get_bool ignore "$cfg" ignore 0
 495         [ "$ignore" -ne 0 ] && return 0
 496
 497         # e.g. olsrd_txtinfo.so.1.1 or 'olsrd_txtinfo'
 498         config_get library "$cfg" library
 499
 500         library="$( find_most_recent_plugin_libary "$library" )"
 501         if [ -z "$library" ]; then
 502                 log "$funcname() Warning: Plugin library '$library' not found, skipped"
 503                 return 0
 504         else
 505                 library="$( basename "$library" )"
 506         fi
 507
 508         validate_olsrd_option "$library" || {
 509                 warning_invalid_value olsrd "$cfg" 'library'
 510                 return 0
 511         }
 512
 513         case "$library" in
 514                 'olsrd_nameservice.'*)
 515                         config_get name "$cfg" name
 516                         [ -z "$name" ] && config_set "$cfg" name $SYSTEM_HOSTNAME
 517
 518                         config_get suffix "$cfg" suffix
 519                         [ -z "$suffix" ] && config_set "$cfg" suffix '.olsr'
 520
 521                         config_get lat "$cfg" lat
 522                         config_get lon "$cfg" lon
 523                         config_get latlon_infile "$cfg" latlon_infile
 524                         if [ \( -z "$lat" -o -z "$lat" \) -a -z "$latlon_infile" ]; then
 525                                 if [ -f '/var/run/latlon.txt' ]; then
 526                                         config_set "$cfg" lat ''
 527                                         config_set "$cfg" lon ''
 528                                         config_set "$cfg" latlon_infile '/var/run/latlon.txt'
 529                                 else
 530                                         config_set "$cfg" lat "$SYSTEM_LAT"
 531                                         config_set "$cfg" lon "$SYSTEM_LON"
 532                                 fi
 533                         fi
 534
 535                         for f in latlon_file hosts_file services_file resolv_file macs_file; do
 536                                 config_get $f "$cfg" $f
 537                         done
 538
 539                         [ -z "$latlon_file" ] && config_set "$cfg" latlon_file '/var/run/latlon.js'
 540                 ;;
 541                 'olsrd_watchdog.'*)
 542                         config_get wd_file "$cfg" file
 543                 ;;
 544         esac
 545
 546         printf '%s' "${N}LoadPlugin \"$library\"${N}{"
 547         config_write_options "$OLSRD_LOADPLUGIN_SCHEMA" "$cfg" olsrd_write_plparam "${T}"
 548         echo "${N}}"
 549 }
 550
 551 olsrd_write_interface() {
 552         local funcname="olsrd_write_interface"
 553         local cfg="$1"
 554         validate_varname "$cfg" || return 0
 555         local ignore
 556         local interfaces
 557         local interface
 558         local ifnames
 559
 560         config_get_bool ignore "$cfg" ignore 0
 561         [ "$ignore" -ne 0 ] && return 0
 562
 563         ifnames=
 564         config_get interfaces "$cfg" interface
 565
 566         for interface in $interfaces; do
 567                 if validate_varname "$interface"; then
 568                         if network_get_device IFNAME "$interface"; then
 569                                 ifnames="$ifnames \"$IFNAME\""
 570                                 ifsglobal="$ifsglobal $IFNAME"
 571                         elif network_get_physdev IFNAME "$interface"; then
 572                                 local proto="$(uci -q get network.${interface}.proto)"
 573                                 if [ "$proto" = "static" -o "$proto" = "none" ]; then
 574                                         ifnames="$ifnames \"$IFNAME\""
 575                                         ifsglobal="$ifsglobal $IFNAME"
 576                                 fi
 577                         else
 578                                 log "$funcname() Warning: Interface '$interface' not found, skipped"
 579                         fi
 580                 else
 581                         warning_invalid_value olsrd "$cfg" "interface"
 582                 fi
 583         done
 584
 585         [ -z "$ifnames" ] && return 0
 586
 587         printf '%s' "${N}Interface$ifnames${N}{"
 588         config_write_options "$OLSRD_INTERFACE_SCHEMA" "$cfg" olsrd_write_option "${T}"
 589         echo "${N}}"
 590         INTERFACES_COUNT=$((INTERFACES_COUNT + 1))
 591 }
 592
 593 olsrd_write_interface_defaults() {
 594         local cfg="$1"
 595         validate_varname "$cfg" || return 0
 596
 597         printf '%s' "${N}InterfaceDefaults$ifnames${N}{"
 598         config_write_options "$OLSRD_INTERFACE_DEFAULTS_SCHEMA" "$cfg" olsrd_write_option "${T}"
 599         echo "${N}}"
 600
 601         return 1
 602 }
 603
 604 olsrd_update_schema() {
 605         local command="$1"
 606         local varname="$2"
 607         local value="$3"
 608         local cfg="$CONFIG_SECTION"
 609         local cfgt
 610
 611         validate_varname "$command" || return 0
 612         validate_varname "$varname" || return 0
 613
 614         config_get cfgt "$cfg" TYPE
 615         case "$cfgt" in
 616                 olsrd) config_update_schema OLSRD_OLSRD_SCHEMA "$command" "$varname" "$value";;
 617                 IpcConnect) config_update_schema OLSRD_IPCCONNECT_SCHEMA "$command" "$varname" "$value";;
 618                 LoadPlugin) config_update_schema OLSRD_LOADPLUGIN_SCHEMA "$command" "$varname" "$value";;
 619                 Interface) config_update_schema OLSRD_INTERFACE_SCHEMA "$command" "$varname" "$value";;
 620                 InterfaceDefaults) config_update_schema OLSRD_INTERFACE_DEFAULTS_SCHEMA "$command" "$varname" "$value";;
 621         esac
 622
 623         return 0
 624 }
 625
 626 olsrd_write_config() {
 627         OLSRD_COUNT=0
 628         config_foreach olsrd_write_olsrd olsrd
 629         IPCCONNECT_COUNT=0
 630         config_foreach olsrd_write_ipcconnect IpcConnect
 631         HNA4_COUNT=0
 632         config_foreach olsrd_write_hna4 Hna4
 633         [ "$HNA4_COUNT" -gt 0 ] && echo "${N}}"
 634         HNA6_COUNT=0
 635         config_foreach olsrd_write_hna6 Hna6
 636         [ "$HNA6_COUNT" -gt 0 ] && echo "${N}}"
 637         config_foreach olsrd_write_loadplugin LoadPlugin
 638         INTERFACES_COUNT=0
 639         config_foreach olsrd_write_interface_defaults InterfaceDefaults
 640         config_foreach olsrd_write_interface Interface
 641         echo
 642
 643         return 0
 644 }
 645
 646 get_wan_ifnames()
 647 {
 648         local wanifnames word catch_next
 649
 650         command -v ip >/dev/null || return 1
 651
 652         set -- $( ip route list exact 0.0.0.0/0 table all )
 653         for word in $*; do
 654                 case "$word" in
 655                         dev)
 656                                 catch_next="true"
 657                         ;;
 658                         *)
 659                                 [ -n "$catch_next" ] && {
 660                                         case "$wanifnames" in
 661                                                 *" $word "*)
 662                                                 ;;
 663                                                 *)
 664                                                         wanifnames="$wanifnames $word "
 665                                                 ;;
 666                                         esac
 667
 668                                         catch_next=
 669                                 }
 670                         ;;
 671                 esac
 672         done
 673
 674         echo "$wanifnames"
 675 }
 676
 677 olsrd_setup_smartgw_rules() {
 678         local funcname="olsrd_setup_smartgw_rules"
 679         local file=
 680
 681         for file in /etc/modules.d/[0-9]*-ipip; do :; done
 682         [ -e "$file" ] || {
 683                 log "$funcname() Warning: kmod-ipip is missing. SmartGateway will not work until you install it."
 684                 return 1
 685         }
 686
 687         local wanifnames="$( get_wan_ifnames )"
 688
 689         if [ -z "$wanifnames" ]; then
 690                 nowan=1
 691         else
 692                 nowan=0
 693         fi
 694
 695         IP4T="$( command -v iptables )"
 696         IP6T="$( command -v ip6tables )"
 697
 698         # Delete smartgw firewall rules first
 699         if [ "$UCI_CONF_NAME" = "olsrd6" ]; then
 700                 while $IP6T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 701                 for IFACE in $wanifnames; do
 702                         while $IP6T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 703                 done
 704                 for IFACE in $ifsglobal; do
 705                         while $IP6T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 706                 done
 707         else
 708                 while $IP4T -D forwarding_rule -o tnl_+ -j ACCEPT 2> /dev/null; do :;done
 709                 for IFACE in $wanifnames; do
 710                         while $IP4T -D forwarding_rule -i tunl0 -o $IFACE -j ACCEPT 2> /dev/null; do :; done
 711                 done
 712                 for IFACE in $ifsglobal; do
 713                         while $IP4T -D input_rule -i $IFACE -p 4 -j ACCEPT 2> /dev/null; do :; done
 714                 done
 715                 while $IP4T -t nat -D postrouting_rule -o tnl_+ -j MASQUERADE 2> /dev/null; do :;done
 716         fi
 717
 718         # var 'smartgateway' + 'smartgatewayuplink' build in olsrd_write_olsrd()
 719         if [ "$smartgateway" = "yes" ]; then
 720                 log "$funcname() Notice: Inserting firewall rules for SmartGateway"
 721
 722                 if [ ! "$smartgatewayuplink" = "none" ]; then
 723                         if [ "$smartgatewayuplink" = "ipv4" ]; then
 724                                 # Allow everything to be forwarded to tnl_+ and use NAT for it
 725                                 $IP4T -I forwarding_rule -o tnl_+ -j ACCEPT
 726                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 727                                 # Allow forwarding from tunl0 to (all) wan-interfaces
 728                                 if [ "$nowan" = '0' ]; then
 729                                         for IFACE in $wanifnames; do
 730                                                 $IP4T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 731                                         done
 732                                 fi
 733                                 # Allow incoming ipip on all olsr-interfaces
 734                                 for IFACE in $ifsglobal; do
 735                                         $IP4T -I input_rule -i $IFACE -p 4 -j ACCEPT
 736                                 done
 737                         elif [ "$smartgatewayuplink" = "ipv6" ]; then
 738                                 $IP6T -I forwarding_rule -o tnl_+ -j ACCEPT
 739                                 if [ "$nowan" = '0' ]; then
 740                                         for IFACE in $wanifnames; do
 741                                                 $IP6T -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 742                                         done
 743                                 fi
 744                                 for IFACE in $ifsglobal; do
 745                                         $IP6T -I input_rule -i $IFACE -p 4 -j ACCEPT
 746                                 done
 747                         else
 748                                 $IP4T -t nat -I postrouting_rule -o tnl_+ -j MASQUERADE
 749                                 for IPT in $IP4T $IP6T; do
 750                                         $IPT -I forwarding_rule -o tnl_+ -j ACCEPT
 751                                         if [ "$nowan" = '0' ]; then
 752                                                 for IFACE in $wanifnames; do
 753                                                         $IPT -A forwarding_rule -i tunl0 -o $IFACE -j ACCEPT
 754                                                 done
 755                                         fi
 756                                         for IFACE in $ifsglobal; do
 757                                                 $IPT -I input_rule -i $IFACE -p 4 -j ACCEPT
 758                                         done
 759                                 done
 760                         fi
 761                 fi
 762         fi
 763 }
 764
 765 start() {
 766         SYSTEM_HOSTNAME=
 767         SYSTEM_LAT=
 768         SYSTEM_LON=
 769         config_load system
 770         config_foreach system_config system
 771
 772         option_cb() {
 773                 olsrd_update_schema "option" "$@"
 774         }
 775
 776         list_cb() {
 777                 olsrd_update_schema "list" "$@"
 778         }
 779
 780         . /lib/functions/network.sh
 781
 782         config_load $UCI_CONF_NAME
 783         reset_cb
 784
 785         OLSRD_CONFIG_FILE=
 786         config_foreach olsrd_find_config_file olsrd
 787
 788         if [ -z "$OLSRD_CONFIG_FILE" ]; then
 789                 mkdir -p -- /var/etc/
 790                 olsrd_write_config > /var/etc/$UCI_CONF_NAME.conf || return 1
 791                 if [ "$INTERFACES_COUNT" -gt 0 -a "$OLSRD_COUNT" -gt 0 ]; then
 792                         OLSRD_CONFIG_FILE=/var/etc/$UCI_CONF_NAME.conf
 793                 fi
 794         fi
 795
 796         [ -z "$OLSRD_CONFIG_FILE" ] && return 1
 797
 798         SERVICE_PID_FILE="$PID"
 799         if service_check /usr/sbin/olsrd; then
 800                 error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
 801                 return 1
 802         else
 803                 service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
 804                 sleep 1
 805                 service_check /usr/sbin/olsrd || {
 806                         log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
 807                 }
 808         fi
 809
 810         olsrd_setup_smartgw_rules
 811 }
 812
 813 stop() {
 814         SERVICE_PID_FILE="$PID"
 815         service_stop /usr/sbin/olsrd
 816 }